Two new facilities at the Oak Ridge National Laboratory will soon be producing grams and milligrams of transuranium elements each year. In other words, their annual production will be tens of thousands of times the quantities that have ever been made in the past. The high flux isotope reactor, which first went critical near the end of August, will, when it reaches full power, produce a thermal‐neutron flux of 5×1015n/cm2/sec. This is about eight times the most intense thermal fluxes available anywhere at present. ORNL's transuranium processing facility, scheduled for completion later this year, will provide spaces and equipment for making and separating targets that are irradiated in the reactor.

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